3 years ago

Which are the solutions of the quadratic equation x^2=9x+6

1 answer:

8 0

You can use the quadratic equation to solve this once you have this set equal to zero. The answers would be roughly 9.6 and -0.6.

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Hardcover book sales for $24 at the bookmark men days of total of $25.02 for the book what is the sales tax rate

Ber [7]

25.02-24=1.02
1.02/24=0.0425
The sales tax rate is 4.25%.

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3 years ago

Joan and Ernie are earning money for summer camp. Joan receives a $7 weekly allowance plus $6 for each hour she helps her father

AysviL [449]

Answer:

6x+7

Step-by-step explanation:

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3 years ago

A scale drawing has a scale of 0.25 in. : 12 ft. Find the length on the drawing for an actual length of 15 ft.

lesya [120]

If 0.25 in on a drawing is 12 ft in real life, than 1 in on the drawing is 48 ft in real life.

Just divide 15 by 48

15/48=0.3125

So the length of 15 in real life to a drawing is 0.3125 inches.

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3 years ago

Substitute the given values into the formula, and solve for the unknown variable.

Alla [95]

Answer:

$h=\frac{1}{6}$

Step-by-step explanation:

Given:

$A=\frac{1}{2h} (B+b)\\$

$A=21, B=2, b=5 ,h= ?$

We have to find the value of 'h'

So, putting the given values in the equation to find the value of 'h'.

$A=\frac{1}{2h} (B+b)$

Implementing the given values in the given equations:

$21=\frac{1}{2h}(2+5)\\\\ 21=\frac{1}{2h} (7)\\\\\frac{1}{2h}=\frac{21}{7}\\\\ \frac{1}{2h}=3 \\\\h=\frac{1}{6}$

So, the value of 'h' is

$h=\frac{1}{6}$

3 0

3 years ago

The expression 17n+11 represents the perimeter of the triangle.

Kazeer [188]

Answer:

Step-by-step explanation:

ur welcome :D

7 0

3 years ago

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